Hunstanton

To Hunstanton today, on the north Norfolk coast, for a geology field trip. The cliffs here are amazing - not particularly high, but with a most distinct colour change. In the photo you can see the Carstone (Early Cretaceous orange sandstone) at the base (actually the black rocks in the foreground are a coarse sandstone that underlies the Carstone), then above it a band of Early Cretaceous Red Chalk (laid down under the sea off the shores of an island, and full of belemnite and brachiopod fossils), all topped off with Late Cretaceous White Chalk (laid down in a deep marine environment and full of fossil shells, sponges and shrimp burrows).